Re: [libgpiod] AC_FUNC_MALLOC cross-compile failure

[Bartosz Golaszewski <brgl@xxxxxxxx>]

On Tue, Jan 5, 2021 at 8:54 PM Anssi Kolehmainen <anssi@xxxxxxxxxx> wrote:
>
> On Tue, Jan 05, 2021 at 07:24:46PM +0200, Andy Shevchenko wrote:
> >On Tue, Jan 5, 2021 at 4:17 PM Anssi Kolehmainen <anssi@xxxxxxxxxx> wrote:
> >>
> >> When libgpiod is cross-compiled it will use rpl_malloc instead malloc which then
> >> causes linking failure at later stage.
> >>
> >> This happens because AC_FUNC_MALLOC wants to execute malloc() in a live system
> >> and thus cannot be run at cross-compilation time. libgpiod should just do
> >> AC_CHECK_FUNC instead.
> >
> >Which version of aufotools you tried? (2.69?)
> >Btw, have you tried autotools-2.70?
>
> I have autoconf 2.69 from Debian testing.
>
> Quick testing with 2.70 looks good.
> Apparently fixed in 7fbb55372 in May 2012... And 2.69 is from April 2012.
>
> I don't know which kind of facepalm would be suitable for this.
>
> --
> Anssi Kolehmainen

IIRC someone suggested this to me a long time ago but since there were
no other reports and I mostly just use an SDK generated by yocto which
has some workaround for it, I never saw the need for it. I'll apply
the patch even if it was fixed in v2.70 because it looks like a valid
concern.

Bartosz